Size Twin : 75 (L) 39 (W) 13 (H);Size Twin XL : 80 (L) 39 (W) 13 (H);Size Full : 75 (L) 54 (W) 13 (H);Size Queen : 80 (L) 60 (W) 13 (H);Size King : 80 (L) 76 (W) 13 (H);Size California King : 84 (L) 72 (W) 13 (H)

Restonic 13” Firm Mattress – Advanced Cooling & Deep Support for Restorative Sleep'; 'Designed for those who prefer a firm, supportive sleep surface with advanced cooling technology, the Restonic 13” Firm Mattress delivers durability, targeted support, and temperature regulation for a consistently refreshing night’s sleep.'; 'Dual Cooling Technology with Phase Change Material – Actively absorbs and releases heat to maintain a comfortable sleep temperature throughout the night.'; 'HD CoolFlow Foam – A high-density, breathable comfort layer that enhances cooling and provides superior pressure relief without sacrificing firm support.'; 'CoolFlow Plush Foam – A responsive top layer that promotes airflow and cradles your body for an extra touch of comfort.'; 'DuraLast Support Foam – Adds long-lasting resilience and durability, ensuring your mattress maintains its shape and support over time.'; 'CoolFlow Medium Foam provides balanced contouring and pressure relief, offering a perfect blend of cushioning comfort and responsive support for a more restful sleep.'; 'Exclusive Marvelous Middle® – Reinforced center-third support provides 25% more lumbar support, reducing motion transfer between partners for uninterrupted rest.'; '700 Individually Wrapped Coil System with 360° SuperEdge – A higher coil count enhances responsiveness, while the reinforced perimeter maximizes your sleep surface and prevents edge roll-off.'; 'At 13” tall, the Restonic Firm Mattress is engineered for long-lasting support, cooling comfort, and a firm feel—helping you wake up refreshed and ready to take on the day.

Foam